package main

import "fmt"

func main() {
	age := 41
	marsAge := float64(age)

	marsDays := 687.0
	earthDays := 365.2425
	marsAge = marsAge * earthDays / marsDays

	fmt.Println("I am", marsAge, "years old on Mars.")

	fmt.Println(int(earthDays))
}
